@book { DieHaftungdesunentgeltlichenErwerbersgem822BGB,
    title = "Die Haftung des unentgeltlichen Erwerbers gemäß § 822 BGB",
    author = "Frank {Bockholdt}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1097621"
}